Financial management has always been the most important content in the development of private enterprise management system. Due to the lack of sufficient experience in risk control and financing, private enterprises are greatly affected by financial management. The financial management of small and medium-sized private enterprises has been running through the whole process of enterprise growth. Financing risk, investment risk, capital recovery risk and income distribution risk are the four concentrated manifestations of their financial risks. Due to the lack of experience in risk control and financing management, small and medium-sized private enterprises are easy to fall into financial management. Small and medium-sized private enterprises should establish and strengthen the awareness of risk management, strengthen the whole process management of financial activities, optimize the financial structure, reduce financial risks, establish and improve the financial supervision mechanism, and further improve the financial risk control ability of enterprises.